CVE-2026-91752
highGNU libextractor before 1.15 contains a stack-based buffer overflow vulnerability in the process_star_office function that sizes a variable-length stack array…
GNU libextractor before 1.15 contains a stack-based buffer overflow vulnerability in the process_star_office function that sizes a variable-length stack array from attacker-controlled OLE2 stream data. Attackers can craft malicious StarOffice documents that allocate up to 4 MB on the stack, causing stack overflow and crashing any application extracting metadata from the document.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://git.gnunet.org/gnunet/libextractor/commit/04004eb19033e093938138b09befdf31e71e8522... disclosure@vulncheck.com
- https://git.gnunet.org/gnunet/libextractor/commit/2781c7e9095f4ddaff4f535d69342f3903b18422... disclosure@vulncheck.com
- https://github.com/Haitam-lazaar/libextractor-ole2-rce disclosure@vulncheck.com
- https://www.gnu.org/software/libextractor/ disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/gnu-libextractor-before-1.15-stack-overflow-via-ole2 disclosure@vulncheck.com
- http://www.openwall.com/lists/oss-security/2026/09/16/16 af854a3a-2127-422b-91ae-364da2661108